Fertiliser for Grazing - what do you do?

Jonny B88

Member
Location
ballykelly. NI
In the spring all fields got 70 units of Urea before April with the silage fields getting 5000 gallons of slurry.
At the moment we are following the cows with a bag and a half of 18-6-12 after grazing. Fits in with our rotation length of around 20 days.

When the silage ground was closed it got 3 bags of 0-7-30 and I think it got around 70 units of urea. Not 100% sure on the N here because it wasn't me who spread it

Is that paddock grazing then? Sucklers or dairy?
 

spin cycle

Member
Location
north norfolk
We put on bag and a half 25 2.5 5 to the acre round paddys day across the whole farm and find it grows great grass for sheep

thats my take at my early 'sheep grass' growing career .....but why put it on all at once?...i'm experimenting putting 40 units n on the grass about 10 days before i want it? otherwise it'll all come ready at once?
 

Sheep92

Member
Livestock Farmer
Location
Ireland
thats my take at my early 'sheep grass' growing career .....but why put it on all at once?...i'm experimenting putting 40 units n on the grass about 10 days before i want it? otherwise it'll all come ready at once?
We lamb from end of feb to end of april in two batches so it works quite well, i do have grass kept up from the previous november which is usually well trimmed by paddys day and the other ground starts to green up so it all evens out, when iv near 1500 ewes and lambs out by end of april every bit of grass is wanted! In a normal year its got going by that stage!
 

neilo

Member
Mixed Farmer
Location
Montgomeryshire
What's folks consensus on applying p and k, one dump in the spring with DAP or MOP or the little and often approach through compounds?

It depends on soil reserves (indices). If indices are reasonable then I don't think it matters when you put it on as you are just applying maintenance. If soil reserves are low, then you would get a benefit from applying DAP early, to give the grass something to take up.
 

Jonny B88

Member
Location
ballykelly. NI
It depends on soil reserves (indices). If indices are reasonable then I don't think it matters when you put it on as you are just applying maintenance. If soil reserves are low, then you would get a benefit from applying DAP early, to give the grass something to take up.

We have a field that's soil tested very poor...0, 0 in fact. If we were to apply all at once in Spring is there not a chance of it not all being utilised as there will be a lot of units required. Also ph is at 6.3 I think. I hope to spread a good heavy coat of FYM on it in the autumn
 

neilo

Member
Mixed Farmer
Location
Montgomeryshire
We have a field that's soil tested very poor...0, 0 in fact. If we were to apply all at once in Spring is there not a chance of it not all being utilised as there will be a lot of units required. Also ph is at 6.3 I think. I hope to spread a good heavy coat of FYM on it in the autumn

Crikey! 0,0.:eek: A good dollop of FYM will certainly pay dividends.(y)

I'm led to believe DAP n the Spring is like rocket fuel on soils like that. I'd only apply enough to satisfy the P requirement though, with any additional N going in later as urea (or whatever suits). K can go on any time normally, as it's only slowly taken up.
 

Jez Agronomist

Member
BASIS
Location
Kirriemuir
We have a field that's soil tested very poor...0, 0 in fact. If we were to apply all at once in Spring is there not a chance of it not all being utilised as there will be a lot of units required. Also ph is at 6.3 I think. I hope to spread a good heavy coat of FYM on it in the autumn

Plenty of FYM would certainly be a good start but make sure its well rotted otherwise it could make things even worse in the short term. When applying any fertilizers 'little and often' will be the best way to go to avoid too much immediate lock up.

Running with soil indices of zero is certainly possible but it is trying to run a bank account with no overdraft and no savings so no room for error
 
We stocky heavy and re seed regularly with heavy clover leys. Still a fan of fert, 25-5-5 normally at 100k/acre, but isn't it a case younger leys respond more efficiently than older leys? Ok a double investment if you like, but we carry a bit of stock, normally over a year, 3 sheep per acre, 1 cow to acre, 2 yearlings per acre with 15 per cent cereals, 15 per cent silage ground
 

Jonny B88

Member
Location
ballykelly. NI
Plenty of FYM would certainly be a good start but make sure its well rotted otherwise it could make things even worse in the short term. When applying any fertilizers 'little and often' will be the best way to go to avoid too much immediate lock up.

Running with soil indices of zero is certainly possible but it is trying to run a bank account with no overdraft and no savings so no room for error

How can it make things even worse in the short term? Too acidic? Only stuff we have would be out the shed or midden which is only this past winters dung. Would slurry from a digester be a better option in that case, may have access to that.
 

Jonny B88

Member
Location
ballykelly. NI
Crikey! 0,0.:eek: A good dollop of FYM will certainly pay dividends.(y)

I'm led to believe DAP n the Spring is like rocket fuel on soils like that. I'd only apply enough to satisfy the P requirement though, with any additional N going in later as urea (or whatever suits). K can go on any time normally, as it's only slowly taken up.

I believe that field is also compacted and would like to sub soil it, would that cause lock up?

We applied DAP and MOP to a couple other fields which are also poor, not quite as bad, to see if there is much different in the little and often approach.

Unfortunately we have a lot of sub fertile fields!
 

scholland

Member
Location
ze3
We have a field that's soil tested very poor...0, 0 in fact. If we were to apply all at once in Spring is there not a chance of it not all being utilised as there will be a lot of units required. Also ph is at 6.3 I think. I hope to spread a good heavy coat of FYM on it in the autumn
I'd look at fibrophos if indexes were that bad.
 

PFH

Member
We stocky heavy and re seed regularly with heavy clover leys. Still a fan of fert, 25-5-5 normally at 100k/acre, but isn't it a case younger leys respond more efficiently than older leys? Ok a double investment if you like, but we carry a bit of stock, normally over a year, 3 sheep per acre, 1 cow to acre, 2 yearlings per acre with 15 per cent cereals, 15 per cent silage ground

So on say a 300 acre farm you would be running 900 ewes, 300 suckler cows and 600 yearling store cattle on 255 of the acres in grass? And on 210 of the acres when you've turned out for silage?
 
I've done no end of Fibrophos spreading on grazing ground in the spring, especially where indices have been historically very low. Once the levels get up they seem to take care of themselves.
There is a grazing withdrawal period of two weeks recommended, but most seem to just ignore it.
 

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